Marek Stanisław Chojnacki (born 6 December 1959) is a Polish professional football manager and former player who played as a defender.

Chojnacki played for ŁKS Łódź in the Polish Ekstraklasa, appearing in 452 league matches.

[1] He had a spell in the Greek Super League with Ethnikos Piraeus F.C.

[2] Chojnacki played for Poland at the 1979 FIFA World Youth Championship in Japan.

This biographical article related to a Polish association football defender is a stub.